Warning: Permanently added '10.128.0.212' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 93.447501][ T8522] loop1: detected capacity change from 264192 to 0 [ 93.459425][ T8522] EXT4-fs error (device loop1): ext4_get_journal_inode:5216: comm syz-executor042: inode #127: comm syz-executor042: iget: illegal inode # [ 93.471941][ T8521] loop2: detected capacity change from 264192 to 0 [ 93.479289][ T8522] EXT4-fs (loop1): no journal found [ 93.541724][ T8523] loop5: detected capacity change from 264192 to 0 [ 93.549674][ T8527] loop4: detected capacity change from 264192 to 0 [ 93.557251][ T8526] loop3: detected capacity change from 264192 to 0 [ 93.566396][ T8521] EXT4-fs error (device loop2): ext4_get_journal_inode:5216: comm syz-executor042: inode #127: comm syz-executor042: iget: illegal inode # [ 93.580820][ T8530] loop0: detected capacity change from 264192 to 0 executing program [ 93.586376][ T8521] EXT4-fs (loop2): no journal found [ 93.597271][ T8523] EXT4-fs error (device loop5): ext4_get_journal_inode:5216: comm syz-executor042: inode #127: comm syz-executor042: iget: illegal inode # [ 93.612913][ T8526] EXT4-fs error (device loop3): ext4_get_journal_inode:5216: comm syz-executor042: inode #127: comm syz-executor042: iget: illegal inode # [ 93.625608][ T8542] loop1: detected capacity change from 264192 to 0 [ 93.634284][ T8527] EXT4-fs error (device loop4): ext4_get_journal_inode:5216: comm syz-executor042: inode #127: comm syz-executor042: iget: illegal inode # [ 93.648829][ T8523] EXT4-fs (loop5): no journal found [ 93.654366][ T8526] EXT4-fs (loop3): no journal found [ 93.665834][ T8523] ------------[ cut here ]------------ [ 93.669478][ T8530] EXT4-fs error (device loop0): ext4_get_journal_inode:5216: comm syz-executor042: inode #127: comm syz-executor042: iget: illegal inode # [ 93.673412][ T8526] ------------[ cut here ]------------ executing program [ 93.686034][ T8530] EXT4-fs (loop0): no journal found [ 93.699089][ T8542] EXT4-fs error (device loop1): ext4_get_journal_inode:5216: comm syz-executor042: inode #127: comm syz-executor042: iget: illegal inode # [ 93.709048][ T8527] EXT4-fs (loop4): no journal found [ 93.718903][ T5] general protection fault, probably for non-canonical address 0xdffffc000000000c: 0000 [#1] PREEMPT SMP KASAN [ 93.726612][ T8523] ODEBUG: free active (active state 0) object type: work_struct hint: flush_stashed_error_work+0x0/0x2a0 [ 93.730611][ T5] KASAN: null-ptr-deref in range [0x0000000000000060-0x0000000000000067] [ 93.730627][ T5] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.10.0-next-20201218-syzkaller #0 [ 93.730648][ T5] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.730661][ T5] Workqueue: events flush_stashed_error_work [ 93.755950][ T8526] ODEBUG: free active (active state 0) object type: work_struct hint: flush_stashed_error_work+0x0/0x2a0 [ 93.759197][ T5] [ 93.759203][ T5] RIP: 0010:ext4_commit_super+0x52/0x510 [ 93.759229][ T5] Code: 48 c1 ea 03 80 3c 02 00 0f 85 21 04 00 00 48 8b 9d 78 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 60 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 f1 03 00 00 48 8b 5b 60 48 85 db 0f 84 13 01 00 [ 93.774118][ T8523] WARNING: CPU: 1 PID: 8523 at lib/debugobjects.c:505 debug_print_object+0x16e/0x250 [ 93.775259][ T5] RSP: 0018:ffffc90000ca7cb8 EFLAGS: 00010206 [ 93.775279][ T5] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 93.797758][ T8526] WARNING: CPU: 1 PID: 8526 at lib/debugobjects.c:505 debug_print_object+0x16e/0x250 [ 93.813933][ T5] RDX: 000000000000000c RSI: ffffffff8217a0db RDI: 0000000000000060 [ 93.813949][ T5] RBP: ffff88801b186000 R08: 0000000000000000 R09: 0000000000000000 [ 93.813963][ T5] R10: ffffffff8217a7fa R11: 0000000000000000 R12: ffff88801b186000 [ 93.813977][ T5] R13: ffff88801b186678 R14: ffff8880109a5800 R15: ffff8880b9c34440 [ 93.827808][ T8523] Modules linked in: [ 93.829454][ T5] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 93.829476][ T5] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.829491][ T5] CR2: 0000000020000280 CR3: 000000002515f000 CR4: 00000000001506f0 [ 93.839092][ T8523] [ 93.846953][ T5] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 93.846967][ T5] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 93.862827][ T8523] CPU: 1 PID: 8523 Comm: syz-executor042 Not tainted 5.10.0-next-20201218-syzkaller #0 [ 93.862904][ T5] Call Trace: [ 93.862913][ T5] flush_stashed_error_work+0x1c9/0x2a0 [ 93.871832][ T8526] Modules linked in: [ 93.878818][ T5] process_one_work+0x98d/0x1630 [ 93.878850][ T5] ? pwq_dec_nr_in_flight+0x320/0x320 [ 93.883552][ T8523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.891646][ T5] ? rwlock_bug.part.0+0x90/0x90 [ 93.891674][ T5] ? _raw_spin_lock_irq+0x41/0x50 [ 93.898986][ T8526] [ 93.906194][ T5] worker_thread+0x64c/0x1120 [ 93.908997][ T8526] CPU: 1 PID: 8526 Comm: syz-executor042 Not tainted 5.10.0-next-20201218-syzkaller #0 [ 93.916480][ T5] ? process_one_work+0x1630/0x1630 [ 93.916512][ T5] kthread+0x3b1/0x4a0 [ 93.925269][ T8523] RIP: 0010:debug_print_object+0x16e/0x250 [ 93.934146][ T5] ? kthread_create_worker_on_cpu+0xf0/0xf0 [ 93.934171][ T5] ret_from_fork+0x1f/0x30 [ 93.938168][ T8523] Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 af 00 00 00 48 8b 14 dd 20 af bf 89 4c 89 ee 48 c7 c7 20 a3 bf 89 e8 30 78 05 05 <0f> 0b 83 05 55 8a b9 09 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3 [ 93.942962][ T5] Modules linked in: [ 93.944297][ T8542] EXT4-fs (loop1): no journal found [ 93.947667][ T8523] RSP: 0018:ffffc9000169f9b8 EFLAGS: 00010282 [ 93.951959][ T5] ---[ end trace 79a5562eab231063 ]--- [ 93.958013][ T8526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.972393][ T5] RIP: 0010:ext4_commit_super+0x52/0x510 [ 93.978957][ T8523] [ 93.979990][ T5] Code: 48 c1 ea 03 80 3c 02 00 0f 85 21 04 00 00 48 8b 9d 78 06 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 60 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 f1 03 00 00 48 8b 5b 60 48 85 db 0f 84 13 01 00 [ 93.985134][ T8542] ------------[ cut here ]------------ [ 93.994117][ T5] RSP: 0018:ffffc90000ca7cb8 EFLAGS: 00010206 [ 93.999833][ T8523] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 94.003423][ T5] [ 94.010228][ T8526] RIP: 0010:debug_print_object+0x16e/0x250 [ 94.015142][ T5] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 94.020331][ T8523] RDX: ffff888015435100 RSI: ffffffff815b95f5 RDI: fffff520002d3f29 [ 94.039241][ T5] RDX: 000000000000000c RSI: ffffffff8217a0db RDI: 0000000000000060 [ 94.043971][ T8542] ODEBUG: free active (active state 0) object type: work_struct hint: flush_stashed_error_work+0x0/0x2a0 [ 94.048405][ T5] RBP: ffff88801b186000 R08: 0000000000000000 R09: 0000000000000000 [ 94.055933][ T8542] WARNING: CPU: 1 PID: 8542 at lib/debugobjects.c:505 debug_print_object+0x16e/0x250 [ 94.059967][ T5] R10: ffffffff8217a7fa R11: 0000000000000000 R12: ffff88801b186000 [ 94.059985][ T5] R13: ffff88801b186678 R14: ffff8880109a5800 R15: ffff8880b9c34440 [ 94.060007][ T5] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 94.071442][ T8526] Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 af 00 00 00 48 8b 14 dd 20 af bf 89 4c 89 ee 48 c7 c7 20 a3 bf 89 e8 30 78 05 05 <0f> 0b 83 05 55 8a b9 09 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3 [ 94.075772][ T5] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.079035][ T8526] RSP: 0018:ffffc90001bff9b8 EFLAGS: 00010282 [ 94.097777][ T5] CR2: 00007fc234041008 CR3: 0000000024d31000 CR4: 00000000001506f0 [ 94.104030][ T8523] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 94.109327][ T5] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 94.109343][ T5] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 94.109359][ T5] Kernel panic - not syncing: Fatal exception [ 94.110000][ T5] Kernel Offset: disabled [ 94.277509][ T5] Rebooting in 86400 seconds..